670730471 has 2 divisors, whose sum is σ = 670730472. Its totient is φ = 670730470.

The previous prime is 670730443. The next prime is 670730507. The reversal of 670730471 is 174037076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670730471 - 2⁶ = 670730407 is a prime.

It is a super-3 number, since 3×670730471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670730171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335365235 + 335365236.

It is an arithmetic number, because the mean of its divisors is an integer number (335365236).

Almost surely, 2^670730471 is an apocalyptic number.

670730471 is a deficient number, since it is larger than the sum of its proper divisors (1).

670730471 is an equidigital number, since it uses as much as digits as its factorization.

670730471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 670730471 is about 25898.4646456117. The cubic root of 670730471 is about 875.3519002526.

The spelling of 670730471 in words is "six hundred seventy million, seven hundred thirty thousand, four hundred seventy-one".